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| author | Vladimir Davydov <vdavydov@virtuozzo.com> | 2016-03-17 22:17:35 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-17 23:09:34 +0100 |
| commit | 27ee57c93ff00b8a2d6c6dd6b0b3dddda7b43b77 (patch) | |
| tree | a848f3e480c7b486a825c01b2cb6dd09ad79459e /mm/slab.c | |
| parent | mm: memcontrol: make tree_{stat,events} fetch all stats (diff) | |
| download | linux-27ee57c93ff00b8a2d6c6dd6b0b3dddda7b43b77.tar.xz linux-27ee57c93ff00b8a2d6c6dd6b0b3dddda7b43b77.zip | |
mm: memcontrol: report slab usage in cgroup2 memory.stat
Show how much memory is used for storing reclaimable and unreclaimable
in-kernel data structures allocated from slab caches.
Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/slab.c b/mm/slab.c index 852fc5c79829..56dd0df2a8ce 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1442,9 +1442,10 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, */ static void kmem_freepages(struct kmem_cache *cachep, struct page *page) { - const unsigned long nr_freed = (1 << cachep->gfporder); + int order = cachep->gfporder; + unsigned long nr_freed = (1 << order); - kmemcheck_free_shadow(page, cachep->gfporder); + kmemcheck_free_shadow(page, order); if (cachep->flags & SLAB_RECLAIM_ACCOUNT) sub_zone_page_state(page_zone(page), @@ -1461,7 +1462,8 @@ static void kmem_freepages(struct kmem_cache *cachep, struct page *page) if (current->reclaim_state) current->reclaim_state->reclaimed_slab += nr_freed; - __free_kmem_pages(page, cachep->gfporder); + memcg_uncharge_slab(page, order, cachep); + __free_pages(page, order); } static void kmem_rcu_free(struct rcu_head *head) |